Ben Dunbobbin a74a4df4d5 [lit] support unsetting env variables (again!)
This is an updated version of https://reviews.llvm.org/D22144 by @jlpeyton.

The patch was accepted but not landed.

This is useful functionality and I would like to use this to enable lit tests for environment variable behaviour.

Differential Revision: https://reviews.llvm.org/D36403

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@311180 91177308-0d34-0410-b5e6-96231b3b80d8
2017-08-18 17:32:57 +00:00
2017-08-18 15:35:53 +00:00
2017-06-30 07:09:08 +00:00
2017-07-01 03:24:06 +00:00
2017-08-18 02:39:28 +00:00

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